import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

public class MaxTemperature {

	public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {
		// if (args.length != 2) {
		// System.err.println("Usage: MaxTemperature <input path> <output path>");
		// System.exit(-1);
		// }
		args = new String[2];
		args[0] = "/home/pruebahadoop/Documentos/DataSets/clima/input/";
		args[1] = "/home/pruebahadoop/Documentos/DataSets/clima/output";
		Configuration conf = new Configuration();
		Job job = Job.getInstance(conf, "MaxTemperature");
		job.setJarByClass(MaxTemperature.class);
		FileInputFormat.addInputPath(job, new Path(args[0]));
		FileOutputFormat.setOutputPath(job, new Path(args[1]));

		job.setMapperClass(MaxTemperatureMapper.class);
		job.setReducerClass(MaxTemperatureReducer.class);
		job.setOutputKeyClass(Text.class);
		job.setOutputValueClass(IntWritable.class);

		System.exit(job.waitForCompletion(true) ? 0 : 1);
	}
}
